Properties of n-type SnO_2 semiconductor prepared by spray ultrasonic technique for photovoltaic applications
Properties of n-type SnO_2 semiconductor prepared by spray ultrasonic technique for photovoltaic applications作者机构:Laboratoire de Physique des Couches Minces et Applications Université de Biskra Laboratoire des Couches minces et Interfaces Université Mentouri
出 版 物:《Journal of Semiconductors》 (半导体学报(英文版))
年 卷 期:2015年第36卷第12期
页 面:34-37页
核心收录:
学科分类:080903[工学-微电子学与固体电子学] 0808[工学-电气工程] 0809[工学-电子科学与技术(可授工学、理学学位)] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程(可授工学、理学学位)] 080502[工学-材料学] 0703[理学-化学] 0702[理学-物理学]
主 题:tin oxide thin films spray ultrasonic structural properties optical properties
摘 要:Transparent conducting n-type SnO2 semiconductor films were fabricated by employing an inexpensive, simplified spray ultrasonic technique using an ultrasonic generator at deferent substrate temperatures (300, 350, 400, 450 and 500 ℃). The structural studies reveal that the SnO2 films are polycrystalline at 350,400, 450, 500 ℃ with preferential orientation along the (200) and (101) planes, and amorphous at 300 ℃. The crystallite size of the films was found to be in the range of 20.9-72.2 nm. The optical transmittance in the visible range and the optical band gap are 80% and 3.9 eV respectively. The films thicknesses were varied between 466 and 1840 nm. The resistivity was found between 1.6 and 4 × 10^-2 Ω.cm. This simplified ultrasonic spray technique may be considered as a promising alternative to a conventional spray for the massive production of economic SnO2 films for solar cells, sensors and opto-electronic applications.